Linked from
The 25 pages that link to Supremum, each with the reason it gives.
Real analysisBroader topic: Suprema express the completeness property used in foundational proofs.
Limit of a sequenceRelated: Suprema help establish limits of bounded monotone sequences.
Dedekind cutRelated: The real represented by a cut is the least upper bound of its lower set.
InfimumCompared with: Reversing the order turns an infimum problem into a supremum problem.
Monotone sequenceRelated: A bounded nondecreasing sequence converges to the supremum of its terms.
Support functionRelated: The defining value may be a maximum, or only a supremum.
Upper boundRelated: The supremum is the distinguished upper bound when a least one exists.
Kleene fixed-point theoremRelated: The theorem's fixed point is the supremum of all finite iterates.
Join and meetRelated: This is the order-theoretic name for a join of a subset.